Project Number Date
test_Tails_ISO_devel 4109 09 Dec 2025, 13:05

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 14:42.182 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
49.610
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.681
And I prepare Tails for memory erasure tests 0.476
When I start a process allocating 128 MiB of memory with a known pattern 2.415
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 17.778 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.276
Then I find very few patterns in the guest's memory after 5 seconds 19.980 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.108
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.617
And I prepare Tails for memory erasure tests 0.407
And I find very few patterns in the guest's memory 14.648 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.774
Then patterns cover at least 99% of the test FS size in the guest's memory 15.490 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.470
Then I find very few patterns in the guest's memory after 3 seconds 17.699 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:17.572
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.852
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.953
Then I find very few patterns in the guest's memory 15.228 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.708
Then patterns cover at least 75% of the test FS size in the guest's memory 16.826 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.994
Then I find very few patterns in the guest's memory after 3 seconds 22.322 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# read cache
When I mount the USB drive again 0.554
And I read the content of the test FS 1.347
Then patterns cover at least 99% of the test FS size in the guest's memory 24.371 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory after 3 seconds 36.408 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.382
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:52.965
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.845
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.986
Then I find very few patterns in the guest's memory 30.235 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.131
Then patterns cover at least 99% of the test FS size in the guest's memory 35.373 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.883
Then I find very few patterns in the guest's memory after 3 seconds 22.589 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 4.965
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 13.828 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.828
Then I find very few patterns in the guest's memory after 3 seconds 16.315 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.765
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
57.836
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.802
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 10.755
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.558
Then patterns cover at least 128 MiB in the guest's memory 10.397 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.820 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 4.330
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:45.089
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:5.865
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.940
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 29.858 
Pattern coverage: 0.000% (0 MiB out of 1548 MiB reference memory)
After features/support/hooks.rb:331 3.773
After features/support/hooks.rb:100 0.030